Characteristics and adaptations of mammals
Observation and study of mammals
Population regulation and conservation of mammals
Pouched mammals, order marsupialia
Shrews and moles, order insectivora
Armadillos, order edentata
Rabbits and hares, order lagomorpha
Gnawing mammals, order rodentia
Meat-eating mammals, order carnivora
Cetaceans, orders mysticeti and odontoceti
Hoofed mammals, order artiodactyla.